﻿using System.Windows ;
using System ;

namespace PrismExample
{
    public partial class App : Application
    {

        public App ( )
        {
            this.Startup += this.Application_Startup ;
            this.Exit += this.Application_Exit ;
            this.UnhandledException += this.Application_UnhandledException ;

            this.InitializeComponent( ) ;
        }

        private void Application_Startup ( object sender, StartupEventArgs e )
        {

            new Bootstrapper( ).Run( ) ;
        }

        private void Application_Exit ( object sender, EventArgs e )
        {

        }

        private void Application_UnhandledException ( object sender, ApplicationUnhandledExceptionEventArgs e )
        {
            
            // If the app is running outside of the debugger then report the exception using
            // the browser's exception mechanism. On IE this will display it a yellow alert 
            // icon in the status bar and Firefox will display a script error.
            if ( !System.Diagnostics.Debugger.IsAttached )
            {

                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true ;
                Deployment.Current.Dispatcher.BeginInvoke( delegate { this.ReportErrorToDOM( e ) ; }) ;
            }
        }

        private void ReportErrorToDOM ( ApplicationUnhandledExceptionEventArgs e )
        {
            try
            {
                string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace ;
                errorMsg = errorMsg.Replace( '"', '\'' ).Replace( "\r\n", @"\n" ) ;

                System.Windows.Browser.HtmlPage.Window.Eval( "throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");" ) ;
            }
            catch (Exception)
            {
            }
        }

    }
}